LinkedIn joins the Referral traffic war

The worry list for Google might have just increased a tad higher, LinkedIn has joined Facebook and Twitter in generating referral traffic. According to Liz Walker, LinkedIn Product Manager, the traffic is coming from new products like LinkedIn.com/Today/, newsletters, and LinkedIn News. See below the growth chart:

With the LinkedIn “inShares” which are similar to Facebook’s “Like” & Twitter’s “Re-Tweet,” LinkedIn has definitely gone more social.